package lab_02;

public class Test_16 {
    public abstract class Method {

        double a;
        double b;

        void add(){
            System.out.println(a+b);
        };
        void   minus(){
            System.out.println(a-b);
        };
        void multiplication(){
            System.out.println(a*b);
        }
        void division(){
            System.out.println( a/b);
        };
    }
}
